WebTools
WebTools

Free online tools for developers, designers, and everyday users. 100+ tools, no signup required.

Popular Tools

  • JSON Formatter
  • Base64 Codec
  • QR Code
  • Compress
  • Text Diff

Resources

  • About Us
  • Blog
  • Settings

More Tools

  • APIPulse
  • CodeJet
  • PeerBeam

Legal

  • Privacy Policy
© 2026 WebTools. All rights reserved.
DeveloperDevice Tester

Device Tester

Test your camera, microphone, and screen sharing capabilities directly in your browser. Check if your devices are working properly, preview camera output, test audio levels, and verify screen sharing — all without installing any software. Everything runs locally for complete privacy.

Inactive

Camera is off

Section Title

Section Desc1

Section Desc2

Section Desc3

Badge1Badge2

Online Device Tester — Camera, Mic & Screen

Test your camera, microphone, and screen sharing capabilities directly in your browser. Check if your devices are working properly, preview camera output, test audio levels, and verify screen sharing — all without installing any software. Everything runs locally for complete privacy.

  • Test webcam video output with live preview
  • Check microphone input with real-time audio level visualization
  • Verify screen sharing functionality
  • List all available cameras, microphones, and speakers
  • Test device permissions and browser compatibility
  • Show device details like resolution, frame rate, and sample rate
  • All testing runs locally — no data is sent to any server

How to Test Your Devices

  1. 1

    Grant permissions

    Allow your browser to access your camera, microphone, and screen when prompted.

  2. 2

    Test your camera

    View the live camera preview to verify video output, resolution, and frame rate.

  3. 3

    Test your microphone

    Speak into your microphone and watch the audio level meter to verify input is working.

  4. 4

    Test screen sharing

    Start a screen share to verify that screen capture is working correctly in your browser.

  5. 5

    Review device details

    Check the list of detected devices and their capabilities for troubleshooting.

Frequently Asked Questions

Related Tools

Camera RecorderMicrophone RecorderScreen RecorderVideo to GIFVideo Screenshot